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id node_id number title user state locked assignee milestone comments created_at updated_at ▲ closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
440233667 MDU6SXNzdWU0NDAyMzM2Njc= 2940 test_rolling_wrapped_dask is failing with dask-master shoyer 1217238 closed 0     5 2019-05-03T21:44:23Z 2019-06-28T16:49:04Z 2019-06-28T16:49:04Z MEMBER      

The test_rolling_wrapped_dask tests in test_dataarray.py are failing with dask master, e.g., as seen here: https://travis-ci.org/pydata/xarray/jobs/527936531

I reproduced this locally. git bisect identified the culprit as https://github.com/dask/dask/pull/4756.

The source of this issue on the xarray side appears to be these lines: https://github.com/pydata/xarray/blob/dd99b7d7d8576eefcef4507ae9eb36a144b60adf/xarray/core/rolling.py#L287-L291

In particular, we are currently padded as an xarray.DataArray object, not a dask array. Changing this to padded.data shows that passing an actual dask array to dask_array_ops.rolling_window results in failing tests.

@fujiisoup @jhamman any idea what's going on here?

 
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   completed xarray 13221727 issue

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